在急性呼吸窘迫综合征患者机械通气中,肺复张策略越来越受到重视。改良叹气法是肺复张的一种方法。本文主要就改良叹气法肺复张的实施方法、呼气末正压的选择、复张效果、耐受性以及与其他肺复张方法的比较做一综述,究竟哪一种肺复张方法联合肺保护性通气策略疗效会更好,尚无定论。 In patients with acute respiratory distress syndrome, mechanical ventilation, pulmonary reclaim strategy more and more attention. Improved sigh method is a method of lung recruitment. This article mainly to improve the implementation of sigh pulmonary stenosis method, the choice of positive end-expiratory pressure, restenosis, tolerance and comparison with other methods of pulmonary remodeling to make a comprehensive review of what kind of lung re-Zhang combined method Pulmonary protective ventilation strategy will be better, no conclusive.